提出一种基于2阶低频互调干扰信号的一种预失真线性化器.该法利用非线性放大器的2阶低频互调干扰信号,通过混频产生3阶和5阶互调干......

本文考察具有弹性壁面的矩形封闭空间中壁板振动模态与空间声模态的耦合特性。采用有限带宽声功率流法研究了壁板的声辐射功率中声......

Since rail-road transport uses road and rail networks and requires the transshipment infrastructures at the terminals, i......